区域产业结构调整与土地可持续利用关系研究

RELATIONSHIP BETWEEN REGIONAL ECONOMIC SECTOR DEVELOPMENT AND SUSTAINABLE LAND USE

文章通过实证分析方式阐述了区域经济发展与土地利用相互关系 ,着重分析了我国非农产业发展的不同阶段耕地占用状况的变化 ,在此基础上 ,进一步分析了区域经济系统产业结构升级与用地结构的变迁关系 ,尤其是“十五”期间我国产业结构的进一步升级 ,将在一定程度上进一步带动农业用地的非农化 ,同时还可能会造成土地污染问题。据此作者认为我国产业经济的可持续发展必须以土地资源可持续利用为基础 。

According to the analysis of the effects of economic development and investment increasing on farmland use changing to non-agricultural land use, which is respectively described as ΔGDP/ΔCA and ΔFI/ΔCA, the authors find that the efficiency of farmland use changing to non-agricultural land use in China's Mainland. ΔGDP/ΔCA is decreasing from 1.575 in 1980-1984 to 277.778 in 1992-1997, and while ΔFI/ΔCA from 0.541 to 103.237. Based on the analysis of relationship of regional economic development and sustainable land use by modeling economic development and decreasing farmland quantity in China, a deep study has been done on relationship between regional sector development and land use structure change in regional economic operation system. Now China has become a member of World Trade Organization (WTO) from December of 2001, China will have remarkable land use change caused by economic sector development. According to the predications finished by Chinese Academy of Social Science, the ratio of agricultural sector domestic production in GDP will decrease by 0.3%, and that of service domestic production will increase by 0.3% from 2001 to 2005. Although fewer changes will take place, the inner sector structure for agriculture, industry and service will change much. Because of rapid industry development and urbanization in China, there will be a trend of obvious fluctuant decrease in farmland, and the pollution cause by land use change will become more severe than before. Given that, the authors think that regional economic sector development should be based on regional sustainable land use. At last, the policy system of sustainable land use is given to realize sustainable economic sector development in China. The policies include: adjusting land use planning according to new sector development strategy; adjusting agricultural sector structure to realize sustainable development of land eco-economic system; improving the efficiency of urban land use; strengthening land registration to reserve enough agricultural land; decreasing farmland changing to non-agricultural land use by improving the efficiency of non-agricultural land use and increasing land use costs by developing land market.